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<body style="clear:both; padding-left:10px; padding-top:5px; padding-right:5px; padding-bottom:5px"><a name="EN-US_TOPIC_0000001251236919"></a><a name="EN-US_TOPIC_0000001251236919"></a>

<h1 class="topictitle1">Storage Management</h1>
<div><div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_s1ca8bbd0b51b4b6387610768f393a7d9"><h4 class="sectiontitle">Function Description</h4><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_p049951616339">On the <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_uicontrol545905285"><b>Storage Management</b></span> page, you can view and configure the storage devices of the server.</p>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_note19900113744018"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ul10900193713406"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li15900113716408">The information about the RAID controllers, logical drives, and physical drives is displayed only after BIOS boot is complete when the RAID controller card supports out-of-band management or after BMA has been installed and started.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1890116370402">The information on <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0298342317_b195984417373">Storage Management</strong> is invalid when the system is powered off or the system is not started. Each time when the server is powered on and the system is started, the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0298342317_en-us_topic_0269442969_ph1970530225">BMC</span> identifies all physical drives (disks) again. If a physical drive is being rebuilt, the physical drive will not be identified. Before the physical drive is identified, the physical drive information is invalid. If a physical drive fails to be identified, the corresponding sensor (DISKN) generates an alarm indicating that the link is abnormal.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li89011237104014">The time required for identifying and displaying all drives varies depending on the number of logical drives and physical drives. The more the number of logical and physical drives, the longer the time required.</li></ul>
</div></div>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_s4e63d2796f85411ba88c95a8e1515f50"><h4 class="sectiontitle">Parameter Description</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_t84ee026e31754a1187a5a200f7c0354a" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Storage Management</caption><thead align="left"><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r3a32d526b7114d5b88cc3e67e37a314f"><th align="left" class="cellrowborder" valign="top" width="25.259999999999998%" id="mcps1.3.2.2.2.3.1.1"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p8709175911812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="74.74%" id="mcps1.3.2.2.2.3.1.2"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_a582b486da70e46768eac73bbe91a0664">Description</p>
</th>
</tr>
</thead>
<tbody>
  <tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_rb0869691847e42d69c2134e3ee8b39b3"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_a03a6d107972c44b2b0612519ea1d4ee1">Advanced Settings</p>
  </td>
  <td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p1671817447914">Supports setting the alarm threshold for the SSD remaining wear level.</div>
  <div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_n545adfee45d5409bb9c964405a278aba"><span class="notetitle"> NOTE: </span><div class="notebody">After this function is enabled, an alarm is reported when the hard drive remaining wear level reaches the alarm threshold.</div></div>
  </td>
  </tr>
  <tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_rb0869691847e42d69c2134e3ee8b39b3"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_a03a6d107972c44b2b0612519ea1d4ee1">RAID controller</p>
</td>
<td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p1671817447914">Provides RAID controller information, which includes the following:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ul1773411448914"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li2734204410915">RAID controller name, type, driver name and version, firmware version, support for out-of-band management, health status, supported RAID levels, work mode, NVDATA version, memory size, device interface, SAS address, supported strip size range, cache pinned status, maintain PD fail history, copyback status, copyback on SMART error status, and JBOD status.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li15734174416915">BBU name, status, and health status.</li></ul>
</div>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_n545adfee45d5409bb9c964405a278aba"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ub0776d9ccc644707ab26e9c574aa9d2e"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_li09478273319">If the RAID controller card does not support out-of-band management and the BMA is not installed, only the RAID controller name, type, firmware version, and support for out-of-band management are displayed.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_li69476270310">You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_b1936662013918">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph35648561688">BMC</span> out-of-band management.</li></ul>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_rd9969334d6574cc18510c52de0d4741d"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p54251576116">Logical drive</p>
</td>
<td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p52191010131017">Provides logical drive information, which includes the following:</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_a503ff4399bc0484c99444615e8764a12">Name, status, RAID level and capacity, strip size, SSCD caching status, default read policy, current read policy, default write policy, current write policy, default IO policy, current IP policy, disk cache status, access policy, initialization type, BGI status, L2 cache status, consistency check status, whether it is the boot disk, and OS drive letter.</p>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_n2d3bd261d32640f196522c6520f22d43"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_u93225f2a25f947aa8020ceb63d3a914e"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l7721bb7fb01f49fa938bd855f9dd50e6">If the RAID controller card does not support out-of-band management and the BMA is not installed, logical drives managed by the RAID controller card cannot be displayed.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_lbc0fec4be95847e696cc37a0aa8f8162">You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_b1815695215918">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph106061341000">BMC</span> out-of-band management.</li></ul>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r7fa406ef087740cdb80e54a466291ac9"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p9425077118">Physical drive</p>
</td>
<td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p395353410109">Provides physical drive information, which includes the following:</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_a7447291fa9964fff8cc887eb9091bd38">Manufacturer, capacity, model, serial number, firmware version and status, media type, interface type, capable speed, negotiated speed, SAS address (0), SAS address (1), power status, temperature, hot spare status, rebuild status, patrol status, health status, remnant media wearout, location status, power-on hours, speed, location, and present.</p>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_nbd46ad499b644dc08a7fa5aeec4c21f8"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_u96415942a4394eaf9b4d8f99fc9a2fee"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l120bd903b1c341e0a524ca8235a1cc91">If the RAID controller card does not support out-of-band management and the BMA is not installed, only the interface types of the physical drives under the RAID controller card are displayed.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li1187317494418">For pass-through drives, only the health status, location status, and interface type are displayed and the interface type is <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_b48423305383">SAS/SATA</strong>.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_lec5196ccff58485ea29e48a784226b2e">You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_b11769172121012">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph13998158791">BMC</span> out-of-band management.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l14c60e06f23b460b8ba2b283bec604c3">The power-on hours of only the SATA disks and Seagate SAS disks can be queried.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l095d9e096bcf4ccda3ec868297b89400">The Windows or VMware OS does not support speed negotiation of NVMe disks. Therefore, if the server uses a Windows or VMware OS, <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_b1876962111015">Negotiated Speed</strong> is <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_b2076952117105">NA</strong> for NVMe disks.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_la52afd0bdf9c4207920fa56edabccacf">The remnant media wearout indicates the service life of an SSD. A larger remnant media wearout value indicates smaller disk wearout and longer service life. For example, if it is 100%, the hard disk has no wearout.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li25082111353">The <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph54825516522">BMC</span> does not provide location information of M.2 drives.</li>
 </ul>
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</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_re6c2ee7eb3ac400bb4318cbea7bb05a1"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p1860620211313">RAID controller settings</p>
</td>
<td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p1652712617534">RAID controller setup:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ub32366829eec4fefb824e33b96d85af1"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li2035313617504">Work Mode</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_lc4b6e5ed3e3e47b1953357d3c9b090cb">Copyback State</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l9796b5fd439b47599f52e48166644ed8">Copyback on SMART error State</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l51b24e86b4f44c61853682d6a7cca0e7">JBOD State</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r29fdde0a7ae64328ba19165ea2c59e04"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p56066217311">Logical drive settings</p>
</td>
<td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p137359614546">Logical drive setup:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ul13133019121112"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li1213331921117">Create a logical drive</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li613301916115">Delete a logical drive</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li18133419101114">Modify a logical drive</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_rf88d9283666b491da25a02987e297acd"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p14606102836">Physical drive settings</p>
</td>
<td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p835310490549">Physical drive setup:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ul1613315193111"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li15133519161120">Location status</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li813371918116">Hot spare status</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li81331819121113">Firmware status</li></ul>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_note3942487351"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p15949489352">The <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_b1334918302549">Location status</strong> option is not available for M.2 drives.</p>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_row12125113464"><td class="cellrowborder" valign="top" width="25.259999999999998%" headers="mcps1.3.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p4399113717571">Log collection</p>
</td>
<td class="cellrowborder" valign="top" width="74.74%" headers="mcps1.3.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p173996375572">Logs of the RAID controller card can be collected.</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ul1469992534714"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li176995252474">Raw log content of the RAID controller card's AP firmware: "ap.bin"</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li13700142518476">Raw log content of the RAID controller card's IMU firmware: "imu.bin"</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li570042515471">Log parsing dictionary of the RAID controller card's AP firmware: "ap_index.gz"</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li379163274716">Log parsing dictionary of the RAID controller card's IMU firmware: "imu_index.gz"</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1239310431973">Raw data of power-off notice of the RAID controller card AP firmware: "lastword.bin"</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1515417492076">Raw data of statistics on the RAID controller card AP firmware: "dump.bin"</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li198821524713">Raw flash data of statistics on the RAID controller card AP firmware: "flash_dump.bin"</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li211111168166">Raw Nand flash log data of the RAID controller card: "0nandlog.bin" and "1nandlog.bin"</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section874711417319"><h4 class="sectiontitle">Querying RAID Controller Card Properties</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_na41ef6960a034f469d149be1161fea87"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_p547713201667">Before performing this operation, ensure that the following conditions are met:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul296801191617"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li996817141611">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph19101247115111">BMC</span> out-of-band management or BMA is running on the OS. You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b129687171610">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph10743339175114">BMC</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li119683110167">The BIOS has started.</li></ul>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_ol91810230217"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li999935519111"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade066319591812"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol1566316510189">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol146639512188">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_lb9cc6721b08e463c8acb821e2b046ffc"><span>Select the RAID controller to be queried and click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b165021431132418">Settings</strong>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section147488413112"><h4 class="sectiontitle">Querying RAID Array Properties</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_n38227d2696c3431ab075cdf8673a2161"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p95351651715">Before performing this operation, ensure that the following conditions are met:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul15531716161715"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li053216131718">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph2111113412513">BMC</span> out-of-band management or BMA is running on the OS. You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b105371651720">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph115702310513">BMC</span> out-of-band management.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li115301661720">The BIOS has started.</li></ul>
</div>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_o8a1724ab968b473382c253ea73eb0789"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li4418333141212"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade458420201817"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol158122041817">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol15819207185">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_la9aa20c3bd254f27a584ffa582ac9743"><span>Select the RAID array to be queried.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section67496410311"><h4 class="sectiontitle">Querying Hard Disk Properties</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_n8f19ad6bab9f4caca27f492433034cd9"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p044820565174">Before performing this operation, ensure that the following conditions are met:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul154481056131710"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li54488569174">The hard disks are managed by a RAID controller card.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1644895651720">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph1922119279514">BMC</span> out-of-band management or BMA is running on the OS. You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b6448155651716">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph102322249516">BMC</span> out-of-band management.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li84493566177">The BIOS has started.</li></ul>
</div>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_of98aed9a7c7e4fc5928be20ca85b156d"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li1773717475147"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade1147144371819"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol1347343131812">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol2477438181">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l1c7bec5f088c409ea7aa529fbaa5cfb8"><span>Select the hard disk to be queried. The hard disk can be a member disk in a RAID array or an independent hard disk.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section875294173118"><h4 class="sectiontitle">Modifying RAID Controller Card Properties</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_nfeddd2984cbd4ba9b9f834a7a0ae975e"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p9701541155815">Before performing this operation, ensure that the following conditions are met:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul1270124116586"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li10701041135812">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph168624165514">BMC</span> out-of-band management. You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1701241195816">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph98452146513">BMC</span> out-of-band management.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li67011141125814">The BIOS has started.</li></ul>
</div>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_obc44fa51bd474c0f916637e58aa476ab"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li129202011131519"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade28564881913"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol18561781196">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol178567881912">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li11871142574218"><span>Select the RAID to be modified.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ldc9bc0e939dc496998e61858261d3f08"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol18711644817"><b>Settings</b></span>.</span></li></ol><ol start="4" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_o938a55d8894148ad8dd63303c414fcaa"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l9fd1c99273ce43e88e6c8834d4071933"><span>Set the parameters, see <a href="#EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_table51322471110">Table 2</a>.</span><p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_table51322471110"></a><a name="en-us_topic_0000001251228907_en-us_topic_0152871888_table51322471110"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_table51322471110" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameter description</caption><thead align="left"><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row513132412118"><th align="left" class="cellrowborder" valign="top" width="37.31%" id="mcps1.3.6.4.1.2.1.2.3.1.1"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1289452312593">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62.69%" id="mcps1.3.6.4.1.2.1.2.3.1.2"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p5894102318599">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_row52211631104819"><td class="cellrowborder" valign="top" width="37.31%" headers="mcps1.3.6.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p992113674810">Work Mode</p>
</td>
<td class="cellrowborder" valign="top" width="62.69%" headers="mcps1.3.6.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p158911239164815">The work modes supported by a RAID controller card vary with the type and firmware version of the RAID controller card. For details, see the user guide of the RAID controller card you use.</p>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_note9138141155618"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p6468236515">The work mode can be switched only when the firmware status of the physical drive is <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b19685943132611">UNCONFIGURED GOOD</strong>.</p>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row191322411112"><td class="cellrowborder" valign="top" width="37.31%" headers="mcps1.3.6.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1589432315593">Copyback</p>
</td>
<td class="cellrowborder" valign="top" width="62.69%" headers="mcps1.3.6.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1289422314598">The copyback feature allows data to be copied from a source drive to a destination drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1389417234596">If a member drive of a RAID array with redundancy becomes faulty, the hot spare drive automatically takes over the failed drive and starts data synchronization. After a new drive is installed to replace the faulty one, data is copied from the hot spare drive to the new drive. As the data copyback is complete, the hot spare drive restores its hot spare state.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row1413162491119"><td class="cellrowborder" valign="top" width="37.31%" headers="mcps1.3.6.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p118945233593">Copyback on SMART Error</p>
</td>
<td class="cellrowborder" valign="top" width="62.69%" headers="mcps1.3.6.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p168941823115911">Copyback can be initiated when the first Self-Monitoring Analysis and Reporting Technology (SMART) error occurs on a drive.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row21312411111"><td class="cellrowborder" valign="top" width="37.31%" headers="mcps1.3.6.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p19894172318591">JBOD</p>
</td>
<td class="cellrowborder" valign="top" width="62.69%" headers="mcps1.3.6.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p15894132315915">Just a bunch of disks (JBOD) allows commands to be directly transferred from the RAID controller to the connected hard drives without the need of configuring logical drives. This feature allows the upper-layer service or management software to access and control physical drives.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_row264211314213"><td class="cellrowborder" valign="top" width="37.31%" headers="mcps1.3.6.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p849385418235">Restore Defaults</p>
</td>
<td class="cellrowborder" valign="top" width="62.69%" headers="mcps1.3.6.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p13873162433912">To restore default settings of the RAID controller, click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b1773010109104">Restore Defaults</strong>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_row1350116361249"><td class="cellrowborder" valign="top" width="37.31%" headers="mcps1.3.6.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p993765602313">Import Foreign Configuration</p>
</td>
<td class="cellrowborder" valign="top" width="62.69%" headers="mcps1.3.6.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p8866145814393">To import RAID configuration from foreign drives, click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b107475486911">Import Foreign Configuration</strong>.</p>
</td>
</tr>
</tbody>
</table>
</div>
</p></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li127041125145915"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol1349203815813"><b>OK</b></span>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section24801938145816"><h4 class="sectiontitle">Collecting RAID Controller Card Logs</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_note20119184714810"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p168661057496">To collect RAID controller card logs, the following conditions must be met:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ul1286612520492"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1286615524916">The RAID controller card must be the Hi 1880 or Aries type.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1786610534918">The out-of-band function works properly.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1186615594910">The BIOS boot is completed.</li></ul>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ol26331382568"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li13879623115616"><span>Choose <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b102231131219">System</strong> &gt; <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b4254615161215">Storage Management</strong> from the top navigation menu.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li0181633195612"><span>Select the target RAID controller card.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1424564119561"><span>Click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b012212612142">Collect Log</strong>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section1775716453118"><h4 class="sectiontitle">Creating a Logical Drive</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_nf851b696a0024634989761d3c2008b22"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_p248873371194500">Before performing this operation, ensure that the following conditions are met:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_ul1664085688194500"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_li1460759262194500">The hard drives are managed by a RAID controller card that supports creation of logical drives.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_li10840513499">The physical drives to be added as logical drives are in UNCONFIGURED GOOD state.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_li715378064194500">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph055115975118">BMC</span> out-of-band management. <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_concept_0140904489_out_raid06">You can refer to the <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_concept_0140904489_uicontrol451032195194504"><b>Technical Specifications</b></span> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph52124515516">BMC</span> out-of-band management.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_li96455573913">The number of logical drives of the RAID controller card does not reach the maximum.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_li482540480194500">The BIOS has started.</li></ul>
</div>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_oc4ed283a96af472da707963749310093"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li8831185191713"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade196306304198"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol3630143013191">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol10630183018193">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1439313516285"><span>Select the RAID controller.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l38b9921a1b8648dda3dc4391076d2ca4"><span>Click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b13793182182910">Add</strong>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li9141958102117"><span>Set the parameters, see <a href="#EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_t3b3eef895e034bdcb7db6cbc77a4a9da">Table 3</a>.</span><p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_t3b3eef895e034bdcb7db6cbc77a4a9da"></a><a name="en-us_topic_0000001251228907_en-us_topic_0152871888_t3b3eef895e034bdcb7db6cbc77a4a9da"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_t3b3eef895e034bdcb7db6cbc77a4a9da" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Parameter description</caption><thead align="left"><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_rdf22beeedf7f4106b20592eb235c1351"><th align="left" class="cellrowborder" valign="top" width="37.37%" id="mcps1.3.8.3.4.2.1.2.3.1.1"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1994293813324">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62.629999999999995%" id="mcps1.3.8.3.4.2.1.2.3.1.2"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p159421238153213">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r0612653826004e8eba2d8e222b5d93f3"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p179421238113211">Name</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p119420386328">Identifies a logical drive.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r6388fe0959b24760a7a178903674fc1e"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p19942113893211">Secondary Cache</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1894253843218">Specifies whether to enable CacheCade.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_raf38edf0698140c3b6d725876830f41f"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p294213820327">Strip Size</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p9942123817325">Specifies the size of a data strip on each physical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p1376919431214">The default value is <span class="parmvalue" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_parmvalue125106504514"><b>64 KB</b></span>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r8999c5bd93f0479799fba570b5cabc3e"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p09422389329">Read Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p6942838123215">Specifies the data read policy of the logical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p15942103819323">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul894217385324"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li209421238203216"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b18942123823214">Read Ahead</strong>: The RAID controller pre-reads sequential data or the data predicted to be used and saves it in the cache.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li199423387325"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b294273816329">No Read Ahead</strong>: The Read Ahead feature is disabled.</li></ul>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p2733115916516">The default value is <span class="parmvalue" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_parmvalue1650010282616"><b>Read Ahead</b></span>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_row8493820964"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p8942183843210">Write Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p6942173803214">Specifies the data write policy of the logical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1794263883213">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul11942173823214"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li8942123820327"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b179421380321">Write Through</strong>: After the drive receives all data, the controller sends the host a message indicating that data transmission is complete.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li139421385325"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1594223853216">Write Back with BBU</strong>: When no battery backup unit (BBU) is configured or the configured BBU is faulty, the RAID controller automatically switches to the Write Through mode.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li109427387329"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b59421538103213">Write Back</strong>: After the controller cache receives all data, the controller sends the host a message indicating that data transmission is complete.</li></ul>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p7427163619610">The default value is <span class="parmvalue" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_parmvalue1493655319613"><b>Write Back with BBU</b></span>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r7728f6cf4e9d4cea8cbe659ba3d54076"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p4942938143215">IO Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p19942143823211">Specifies the input/output (I/O) policy for reading data from special logical drives. This policy does not affect the pre-reading cache.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p12942103818321">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul119421238193210"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1194210387326"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b19421138163217">Cached IO</strong>: All the read and write requests are processed by the cache of the RAID controller. Select this value only when CacheCade 1.1 is configured.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li394243813329"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b11942438173216">Direct IO</strong>: This value has different meanings in read and write scenarios.<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul20942038113215"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li99421838183219">In read scenarios, data is directly read from physical drives. (If <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b189426385325">Read Policy</strong> is set to <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b14942738143218">Read Ahead</strong>, data read requests are processed by the cache of the RAID controller.)</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li3942138193211">In write scenarios, data write requests are processed by the cache of the RAID controller. (If <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b129427384326">Write Policy</strong> is set to <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b18942193814328">Write Through</strong>, data is directly written to physical drives.)</li></ul>
</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_re3aa4224bc764ead9a179c48f525a386"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p19942538193219">Disk Cache Status</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p69421838143215">The disk cache status can be any of the following:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul10942193815326"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li169421738163214"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b149421138173210">Enable</strong>: writes data to the cache before writing data to the hard drive. This option improves data write performance. However, data will be lost if there is no protection mechanism against power failures.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1094213383327"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b6942153833216">Disable</strong>: writes data to a hard drive without caching the data. Data is not lost if power failures occur.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li169424381325"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b49421238193215">Disk's default</strong>: uses the default cache policy.</li></ul>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p149764241678">The default value is <span class="parmvalue" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_parmvalue104828271493"><b>Disk's default</b></span>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r123b327607e1413bb2f44cc1e3c06af2"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p109421438193220">Access Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p3942123823210">Specifies the access policy for the logical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p17942193823219">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul1794243853214"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li14942193820328"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b199421738183210">Read Write</strong>: Read and write operations are allowed.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li15942113853211"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b3942113814323">Read Only</strong>: The logical drive is read-only.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li79422385320"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b16942173819327">Blocked</strong>: Access to the logical drive is denied.</li></ul>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p983116431671">The default value is <span class="parmvalue" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_parmvalue563218121994"><b>Read Write</b></span>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_rde1f276769cc4aa993748f6534def0a7"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p9942123863214">Init State</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1494263818323">Specifies whether to initialize the logical drive created.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1394273893217">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul994223814321"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li0942173811322"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1794213843216">No Init</strong>: Initialization is not performed.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1694217389324"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b994210381326">Quick Init</strong>: writes zeros to the first 100 MB of the logical drive. Then, the logical drive status changes to <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b10942143819324">Optimal</strong>.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li119429386324"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1094215386328">Full Init</strong>: initializes the logical drive. Before the initialization is complete, the logical drive status is <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b14661121948">Optimal</strong>.</li></ul>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p1864212118814">The default value is <span class="parmvalue" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_parmvalue984810429819"><b>No Init</b></span>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r2817d3cec8924b37bc383b8a3ffd1deb"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p159425386322">RAID Level</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p199423387322">Specifies the RAID level of the logical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p6712151515817">The default value is <span class="parmvalue" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_parmvalue1012414321586"><b>0</b></span>.</p>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_note11818165610171"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_p16818165611176">If the RAID level is <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_b8140566187">1</strong>, only two physical drives can be selected.</p>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_row7495920163"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p9942173816325">Drives per Sub-group</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p139421838133215">Set this parameter when the RAID level is 10, 50, or 60.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r2db37973cba44a6f86e2b9fd5df2b6bc"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p6942143813329">Disk</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1594293823216">Specifies the disks to be added to the logical drive.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row9618037201914"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p318105332120">Available Capacity</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p46211937191911">Capacity that can be allocated for the logical drive.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ra989808ea8e140b98bf8ff905cb4e1b7"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.8.3.4.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p694214383325">Capacity</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.8.3.4.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p10942153843212">Specifies the capacity of the logical drive.</p>
</td>
</tr>
</tbody>
</table>
</div>
</p></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li97352017192920"><span>Click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b175159783620">Save</strong>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section137587423114"><h4 class="sectiontitle">Removing Logical Drives</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_n59b088a3fe8d4b9b80483c41b88fb3d2"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p155721373335">Before performing this operation, ensure that the following conditions are met:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul14572183710338"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1457212378331">The hard disks are managed by a RAID controller card.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1419716505337">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph1997214547508">BMC</span> out-of-band management. You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b519725019336">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph549295295014">BMC</span> out-of-band management.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li3572183718334">The BIOS has started.</li></ul>
</div>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_o94fa51b512754938ace78f240f43c6e8"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li1612215522210"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade19131210192118"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol0913151014214">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol6913710172112">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li116111588613"><span>Delete logical drives.</span><p><ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ul475135161014"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li2751145116102">To delete a logical drive, locate the logical drive and click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b10487173931510">Delete</strong>.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li77523517102">To delete multiple logical drives, click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b9884192520418">Edit</strong> to the right of the RAID controller card, select the logical drives to be deleted, and click <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1088412518417">Delete</strong>.</li></ul>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_p1663416419111">A <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b3168195219418">Confirm</strong> dialog box is displayed.</p>
</p></li></ol><ol start="3" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_oaf51720604ee45d0bbe6cea216578062"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l0147ec0d5f7a4122a3173e8a91570899"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol1525613398915"><b>Yes</b></span>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section37623412312"><h4 class="sectiontitle">Modifying Logical Drive Properties</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_n8baf59166f224f88b4c665430195f0ac"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p46435213212">Before performing this operation, ensure that the following conditions are met:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul2643142111218"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li2643921325">The hard disks are managed by a RAID controller card.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li864312211726">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph135724810502">BMC</span> out-of-band management. You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b96431421527">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph1262112458509">BMC</span> out-of-band management.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li564310211423">The BIOS has started.</li></ul>
</div>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_ol22820391173"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li1090421052213"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade756415552195"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol7564055141913">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol2564155518198">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_li13217391971"><span>Select the logical drive to be modified.</span></li></ol><ol start="3" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_o6e46976fbb0f473b9310dd46d4b0e1ff"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_li23920391270"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol3196181935412"><b>Settings</b></span>.</span></li></ol><ol start="4" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_oa95428b762704069b3b22583ba0096f8"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li1434414428418"><span>Set the parameters, see <a href="#EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_table1597711172194">Table 4</a>.</span><p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_table1597711172194"></a><a name="en-us_topic_0000001251228907_en-us_topic_0152871888_table1597711172194"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_table1597711172194" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Parameter description</caption><thead align="left"><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row17977517111912"><th align="left" class="cellrowborder" valign="top" width="37.35%" id="mcps1.3.10.5.1.2.1.2.3.1.1"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p254160941">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62.64999999999999%" id="mcps1.3.10.5.1.2.1.2.3.1.2"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p75411201949">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row17977217131914"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p254113016416">Name</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p0541001145">Identifies a logical drive.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row99772017201913"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p65411001247">Default Read Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p15541110742">Specifies the data read policy of the logical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p3541601144">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul155411408412"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li16541207419"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1854110241">Read Ahead</strong>: The RAID controller pre-reads sequential data or the data predicted to be used and saves it in the cache.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li4541301144"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b55414017419">No Read Ahead</strong>: The Read Ahead feature is disabled.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row139771717171918"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p554118011411">Default Write Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p554115018413">Specifies the data write policy of the logical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p205411909419">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul1354120943"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li15541201946"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b854111013419">Write Through</strong>: After the drive receives all data, the controller sends the host a message indicating that data transmission is complete.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li19541190348"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b75411807417">Write Back with BBU</strong>: When no battery backup unit (BBU) is configured or the configured BBU is faulty, the RAID controller automatically switches to the Write Through mode.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li195410018415"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b20541100948">Write Back</strong>: After the controller cache receives all data, the controller sends the host a message indicating that data transmission is complete.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row69771217151914"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1754114018413">Default IO Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p19541909411">Specifies the input/output (I/O) policy for reading data from special logical drives. This policy does not affect the pre-reading cache.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p0541409412">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul195413014411"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li155411008410"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1954110043">Cached IO</strong>: All the read and write requests are processed by the cache of the RAID controller. Select this value only when CacheCade 1.1 is configured.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li17541110546"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b195411908416">Direct IO</strong>: This value has different meanings in read and write scenarios.<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul854170745"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li054100546">In read scenarios, data is directly read from physical drives. (If <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b185411701846">Read Policy</strong> is set to <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b13557300411">Read Ahead</strong>, data read requests are processed by the cache of the RAID controller.)</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li14557502412">In write scenarios, data write requests are processed by the cache of the RAID controller. (If <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b19557601441">Write Policy</strong> is set to <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b14557901547">Write Through</strong>, data is directly written to physical drives.)</li></ul>
</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row797731710192"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p393817392539">BGI Status</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1593893918535">Specifies whether to enable background initialization.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row8977101711912"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1947175815317">Access Policy</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p9471758135311">Specifies the access policy for the logical drive. The options are as follows:</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1647112582531">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul2471135855315"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li20471195810536"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b4471145814539">Read/Write</strong>: Read and write operations are allowed.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li174711358125315"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b16471858145318">Read Only</strong>: The logical drive is read-only.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1047125835310"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1471958195313">Blocked</strong>: Access to the logical drive is denied.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row13977517201916"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p955717013418">Disk Cache Status</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p16557606419">The disk cache status can be any of the following:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul175575018416"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li75579013418"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b155577014415">Enable</strong>: writes data to the cache before writing data to the hard drive. This option improves data write performance. However, data will be lost if there is no protection mechanism against power failures.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li5557406410"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b12557601545">Disable</strong>: writes data to a hard drive without caching the data. Data is not lost if power failures occur.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1557303411"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b105572001644">Disk's default</strong>: uses the default cache policy.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row09773177192"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p780171519545">Boot Disk</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p7801111511548">Specifies whether the logical drive is the Boot device.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row1714255611555"><td class="cellrowborder" valign="top" width="37.35%" headers="mcps1.3.10.5.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p135571108415">SSCD Caching</p>
</td>
<td class="cellrowborder" valign="top" width="62.64999999999999%" headers="mcps1.3.10.5.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p165571601845">Specifies whether to use CacheCade drive as the cache.</p>
</td>
</tr>
</tbody>
</table>
</div>
</p></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_lce155a7683df4b5d9d3070e583eb0bc1"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol117493315516"><b>OK</b></span>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section27675415319"><h4 class="sectiontitle">Modifying Member Drive Properties</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_na004b41d6a584d29b5192b7fc44fe0fd"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><div class="p" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p15781103219513">Before performing this operation, ensure that the following conditions are met:<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul1578114329514"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li07816327517">The hard disks are managed by a RAID controller card.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li7781183220515">The RAID controller card supports <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_ph6206112511508">BMC</span> out-of-band management. You can refer to the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b67811732259">Technical Specifications</strong> section in the RAID controller card user guide to determine whether the RAID card supports the <span id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0269442969_ph1970530225">BMC</span> out-of-band management.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li07815328519">The BIOS has started.</li></ul>
</div>
</div></div>
<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_o126e2ea9d06e490495a7c7c2373cd85e"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li862143717227"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade2403132410200"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol6404122402010">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol040411242203">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l548157326f114b668ca548d7f937ee06"><span>Select the logical drive.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_li93884341018"><span>Click <span><img id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_image2874164911135" src="figure/en-us_image_0000001318420893.png"></span> to expand the member drives.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ld2490de33d6044cf96b90669a66727de"><span>Select the member drive to be modified.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l8d67c311a55e4d12bd65c77a55b42bb3"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol02151528122412"><b>Settings</b></span>.</span></li></ol><ol start="6" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_o8d4966fa0fc840979a1c81d64d72c57d"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_li2339412074"><span>Set the parameters, see <a href="#EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_t7f4f0f0eca8845848b147bf7bbede50a">Table 5</a>.</span><p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_t7f4f0f0eca8845848b147bf7bbede50a"></a><a name="en-us_topic_0000001251228907_en-us_topic_0152871888_t7f4f0f0eca8845848b147bf7bbede50a"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_t7f4f0f0eca8845848b147bf7bbede50a" frame="border" border="1" rules="all"><caption><b>Table 5 </b>Parameter drive description</caption><thead align="left"><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_r477fc0ff41894d1ebb5f05327576f9bc"><th align="left" class="cellrowborder" valign="top" width="37.37%" id="mcps1.3.11.4.1.2.1.2.3.1.1"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1350372318615">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62.629999999999995%" id="mcps1.3.11.4.1.2.1.2.3.1.2"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p1450316231169">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_row17864729152619"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.11.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p945652914613">Location State</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.11.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p2045619291261">Specifies whether the locating indicator is lit for the drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p113125917106">It is disabled by default.</p>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_note185971428408"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_en-us_topic_0152871888_p15949489352">The <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_en-us_topic_0152871888_b1334918302549">Location status</strong> option is not available for M.2 drives.</p>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ref685a779628447893f78aefb1bd8dde"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.11.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p209111636863">Hot Spare State</p>
</td>
<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.11.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p16911036969">Specifies the hot spare status of the physical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p99111036469">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul49111036366"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li191113368612"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b591114368613">None</strong>: The drive is not a hot spare disk.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1391153614619"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b891143620618">Global</strong>: indicates global hot spare disk.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1911123619619"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b79111236868">Dedicated</strong>: indicates a dedicated hot spare disk.</li></ul>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_p724892081011">The default value is <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_b84812337103">None</strong>.</p>
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<tr id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_en-us_topic_0152090164_row6483255111"><td class="cellrowborder" valign="top" width="37.37%" headers="mcps1.3.11.4.1.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p12911536568">Firmware State</p>
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<td class="cellrowborder" valign="top" width="62.629999999999995%" headers="mcps1.3.11.4.1.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p391193616610">Specifies the status of the physical drive.</p>
<p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p13911136262">Value:</p>
<ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_ul491115361664"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li591112361612"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b20911036264">UNCONFIGURED BAD</strong>: The drive is unavailable.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li4911113610615"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b1391113618617">ONLINE</strong>: The drive is online.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li491193619613"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b291117361462">OFFLINE</strong>: The drive is offline.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li1291114367617"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b691111361961">UNCONFIGURED GOOD</strong>: The drive is idle.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_li2091123612615"><strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b119116367611">JBOD</strong>: The drive is directly managed by the OS.</li></ul>
<div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_note167981516151212"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_p2798151620129">If JBOD is disabled for the RAID controller card, the <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b53440881420">Firmware State</strong> of the physical drive cannot be set to <strong id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_b834419810141">JBOD</strong>.</p>
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</p></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_l71ab34d798c54b6784075aab58b8d051"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol257151232720"><b>OK</b></span>.</span></li></ol>
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<div class="section" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_section87680413119"><h4 class="sectiontitle">Erasing Data from a Physical Drive</h4><div class="note" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_note02475119236"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ul4749193219276"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li87491232162715">Only encrypted drives support data erasure.</li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li37499323278">Data cannot be restored after being erased. Exercise caution when performing this operation.</li></ul>
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<ol id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_ol17430121612242"><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li57514559222"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_menucascade13951453152013"><b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol7962053142014">System</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol1196165372018">Storage Management</span></b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li11430181611244"><span>Move the cursor to the target physical drive.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li1643214512246"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_uicontrol1659952961318"><b>erasing</b></span>.</span></li><li id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0152871888_li14265193372618"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001251236919__en-us_topic_0000001251228907_en-us_topic_0214513415_en-us_topic_0152871888_uicontrol15941153214449"><b>Yes</b></span> in the dialog box displayed.</span></li></ol>
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